Nagano, Japan

Noboru Otsuki

This inventor holds 23 USPTO granted patents and 1 published patent application, primarily in Printing Technologies. Top assignees: Seiko Epson Corporation, Nidec Sankyo Corporation, Sankyo Seiki Mfg. Co., Ltd. Active years: 1992-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noboru Otsuki. Retrieved from https://idiyas.com/inventor/noboru-otsuki

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 23 

% Patents Active = 65.2

Average Co-Inventor Count = 1.9

ph-index = 7

Forward Citations = 110(Granted Patents)


Location History:

  • Suwa, JP (1995 - 2004)
  • Shiojiri, JP (2006 - 2019)
  • Nagano, JP (1992 - 2022)

Company Filing History:


Years Active: 1992-2026

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Areas of Expertise:
Liquid Ejection Device
Pump Device
Cooling Device
Lens Driving Apparatus
Printer Control Method
Permanent Magnet Motor
Ink Jet Printer
Maintenance Apparatus
Automatic Cutting Device
Paper Feeding Apparatus
Thin Camera
Ink Roller
23 patents (USPTO):Explore Patents

Title: Innovations of Noboru Otsuki: A Profile of a Visionary Inventor

Introduction: Noboru Otsuki is a prominent inventor based in Nagano, Japan, known for his remarkable contributions to technology through the development of innovative pump devices. With a total of 22 patents to his name, Otsuki has established himself as a key figure in the field of engineering.

Latest Patents: Otsuki's latest inventions include a sophisticated pump device featuring a unique design. One of his notable patents describes a pump device that incorporates a first wall portion of an insulator surrounding an inner partition wall. This is designed to prevent the winding of a driving coil from collapsing. The design includes specific notches cut into the wall portion to enhance functionality. Another patent showcases a separate pump device where the case body contains a suction port equipped with a through-hole for fluid passage. This device is designed with a shaft holding portion and multiple connection portions strategically placed in the rotor's circumferential direction. Notably, it incorporates protrusions that prevent rotation of the thrust bearing, enhancing reliability.

Career Highlights: Otsuki's career encompasses significant roles at renowned companies such as Seiko Epson Corporation and Nidec Sankyo Corporation. His experiences at these institutions have greatly influenced his inventive journey, allowing him to refine his skills and contribute to groundbreaking technologies.

Collaborations: Throughout his career, Noboru Otsuki has collaborated with talented individuals such as Kenichiro Arai and Yuji Fujita. Their collective efforts have fostered an environment of innovation and creativity, leading to the development of advanced technological solutions.

Conclusion: Noboru Otsuki's dedication to innovation and his impressive portfolio of patents make him a notable inventor in modern engineering. His inventions, particularly in pump device technology, exemplify his commitment to enhancing functionality and performance in practical applications. As he continues to innovate, Otsuki's contributions will undoubtedly leave a lasting impact in his field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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